Ac system INFINITI FX35 2006 Service Manual

INFINITI MOBILE ENTERTAINMENT SYSTEM AV-157
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Revision: 2006 December 2006 FX35/FX45
INFINITI MOBILE ENTERTAINMENT SYSTEMPFP:28184
System DescriptionNKS003E2
Refer to Owner's Manual for mobile entertainment system operating instructions.
Power is supplied at all times

through 15A fuse (No. 32, located in the fuse and fusible link block)

to DVD player terminal 16

through DVD player terminals 31 and 32

to DVD display terminals 15 and 16.
With the ignition switch in the ACC or ON position, power is supplied

through 10A fuse [No. 6, located in the fuse block (J/B)]

to DVD player terminal 15

through DVD player terminal 21

to DVD display terminal 5.
Ground is supplied

to DVD player terminal 22

through body ground B15 and B45

to DVD player terminals 19, 27

through DVD display terminals 6, 10 and 12.
When DVD player power switch is ON, power is supplied

through DVD player terminal 9

to audio unit terminal 38 and

through audio unit terminal 40

to DVD player terminal 11.
When DVD player power switch is ON, DVD sound signals are supplied

through DVD player terminals 17, 18, and 20

to DVD display terminals 1, 2 and 4.
DVD sound can be heard by the head phone.
When rear AV switch is ON, audio signals are supplied

through DVD player terminals 1, 2, 3, and 4

to audio unit terminals 37, 39, 43, and 42.
DVD sound can be heard from the speaker.
When DVD player power switch is ON, video signals are supplied

through DVD player terminals 23 and 24

to DVD display terminals 7 and 8.
When remote controller is operated, operation signals are supplied

through DVD display terminal 14

to DVD player terminal 30 and

through DVD player terminal 29

to DVD display terminal 13.

AV-158
INFINITI MOBILE ENTERTAINMENT SYSTEM
Revision: 2006 December 2006 FX35/FX45
Component Parts LocationNKS003E3
SKIB8693E

INFINITI MOBILE ENTERTAINMENT SYSTEM AV-159
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Revision: 2006 December 2006 FX35/FX45
Wiring Diagram – MES –NKS003E4
TKWM4430E

AV-160
INFINITI MOBILE ENTERTAINMENT SYSTEM
Revision: 2006 December 2006 FX35/FX45
TKWM4431E

INFINITI MOBILE ENTERTAINMENT SYSTEM AV-161
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Terminals and Reference Value for DVD PlayerNKS003E5
Terminal
(Wire color) Item Signal
input/
output Condition
Reference value
(+) (–) Ignition
switch Operation
1 (L) 2 (R) MES output signal
(LH)
Output ACC Rear AV
switch is ON
3 (LG) 4 (PU) MES output signal
(RH)
8 — Shield — — — —
9 (Y/B) Ground Audio ON signal
(MES - H/U) Output ACCPress “POWER” switch of
DVD player Approx. 5 V
11 (L/W) Ground Control signal
(H/U - MES) Input ACC
Press “POWER” switch of
DVD player Approx. 5 V
15 (LG) Ground ACC power supply Input ACC — Battery voltage
16 (W/L) Ground Battery power supply Input OFF — Battery voltage
17 (G) 19 (LG) MES output signal
(Common) Output ACC Play CD or DVD video Approx. 0 V
18 (L) 19 (LG) MES output signal
(L+) Output ACC Play CD or DVD video
19 (LG) Ground Ground — ON — Approx. 0 V 20 (Y) 19 (LG) MES output signal
(R+) Output ACC Play CD or DVD video
21 (L) Ground ACC power supply Output ACC — Approx. 5 V
22 (B) Ground Ground — ON — Approx. 0 V
23 (OR) 24 (W) VIDEO output signal Output ACC Play DVD video
26 — Shield (Video) — — — —
27 (PU) Ground Ground — ON — Approx. 0 V
SKIA0177E
SKIA5828E
SKIA5828E
SKIA8863J

AV-162
INFINITI MOBILE ENTERTAINMENT SYSTEM
Revision: 2006 December 2006 FX35/FX45
Terminals and Reference Value for DVD DisplayNKS003E6
29 (GY) Ground DVD communication
signal TX
(DVD - LCD) Output ACC
Press “POWER” switch of
DVD player
30 (BR) Ground DVD communication
signal RX
(LCD - DVD) Input ACC
Press “POWER” switch
DVD player
31 (Y) Ground Battery power supply Output — — Battery voltage
32 (R) Te r m i n a l
(Wire color) Item Signal
input/
output Condition
Reference value
(+) (–) Ignition
switch Operation
SKIB0322E
SKIA5832E
Te r m i n a l
(Wire color) Item Signal
input/
output Condition
Reference value
(+) (–) Ignition
switch Operation
1 (G) 3 MES input signal
(common) Input ACC Play CD or DVD video Approx. 0 V
2 (L) 3 MES input signal (L+) Input ACC Play CD or DVD video 3 — Shield — — — —
4 (Y) 3 MES input signal (R+) Input ACC Play cd or DVD video
5 (L) Ground Switch power Input ACC — Approx. 5 V
6 (LG) Ground Ground — ON — Approx. 0 V
7 (OR) 8 (W) VIDEO input signal Input ACC Play DVD video 9 — Shield (Video) — — — —
SKIA5828E
SKIA5828E
SKIA8863J

INFINITI MOBILE ENTERTAINMENT SYSTEM AV-163
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10 (PU) — Shield
(MES data) —— — —
12 (PU) Ground Ground — ON — Approx. 0 V
13 (GY) 10 (PU) DVD communication
signal RX
(DVD - LCD) Input ACC
Press “POWER” switch of
DVD player
14 (BR) 10 (PU) DVD communication
signal TX
(LCD - DVD) Output ACC
Press “POWER” switch of
DVD player
15 (Y) Ground Battery power supply Input OFF — Battery voltage
16 (R) Terminal
(Wire color) Item Signal
input/
output Condition
Reference value
(+) (–) Ignition
switch Operation
SKIB0322E
SKIA5832E

AV-164
INFINITI MOBILE ENTERTAINMENT SYSTEM
Revision: 2006 December 2006 FX35/FX45
DVD Player Does Not WorkNKS003E7
1. CHECK FUSE
Check that the following fuse of the DVD player are not blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown be sure to eliminate case of problem before installing new fuse, refer to PG-3,
"POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
Check voltage between DVD player harness connector terminals
and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector between DVD player and fuse.
3. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect DVD player connector.
3. Check continuity between the following DVD player harness connector B19 terminal 22 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or harness or connector.
Unit Signal Fuse No.
DVD player Battery power supply 32
ACC power supply 6
Terminals Condition Reference value
(+)
(–)
Connector Terminal
M73 16
Ground Ignition switch OFF Battery voltage
15 Ignition switch ACC Battery voltage
SKIB0323E
22 – Ground : Continuity should exist.
SKIA5846E

INFINITI MOBILE ENTERTAINMENT SYSTEM AV-165
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4. CHECK HARNESS
1. Disconnect audio unit connector.
2. Check continuity between DVD player harness connector M73 terminals 9 , 11 and audio unit harness connector M65 terminals 38 , 40.
3. Check continuity between DVD player harness connector M73 terminals 9 , 11 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK CONTROL SIGNAL
1. Connect DVD player connector and audio unit connectors.
2. Turn ignition switch ACC.
3. Check voltage between DVD player harness connector M73 ter- minal 9 and ground.
OK or NG
OK >> GO TO 6.
NG >> Replace DVD player.
6. CHECK CONTROL SIGNAL
Check voltage between DVD player harness connector M73 terminal
11 and ground.
OK or NG
OK >> Replace DVD player.
NG >> Replace audio unit. 9 – 38 : Continuity should exist.
11 – 40 : Continuity should exist.
9 , 11 – Ground : Continuity should not exist.
Te r m i n a l s Condition Reference
value
(+) (–)
Connector Terminal Ground
M73 9 Ground Press “power” switch
of DVD player Approx. 5 V
SKIB0326E
Te r m i n a l s
Condition Reference
value
(+) (–)
Connector Terminal Ground
M73 11 Ground Press “power”
switch of DVD player Approx. 5 V
SKIB0328E

AV-166
INFINITI MOBILE ENTERTAINMENT SYSTEM
Revision: 2006 December 2006 FX35/FX45
Screen Is Not Shown (While Sounds Come Out of an Audio Speaker, Did Not Do
of a Head Phone)
NKS003E8
1. CHECK POWER SUPPLY CIRCUIT
1. Check voltage between DVD player harness connector B19 ter- minals 31, 32 and ground.
2. Turn ignition switch ACC.
3. Check voltage between DVD player harness connector B19 ter- minal 21 and ground.
OK or NG
OK >> GO TO 2.
NG >> Replace DVD player.
2. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect DVD display connector.
3. Check continuity between DVD player harness connector B19 terminals 21, 31, 32 and DVD display harness connector B61
terminals 5, 15, 16.
4. Check continuity between DVD player harness connector B19 terminals 21, 31, 32 and ground.
5. Check continuity between DVD player harness connector B19 terminals 19, 27 and DVD display harness connector B61 termi-
nals 6, 10, 12.
6. Check continuity between DVD player harness connector B19 terminals 19, 27 and ground.
OK or NG
OK >> Replace DVD display.
NG >> Repair harness or connector. 31 , 32 – Ground : Battery voltage
SKIA5850E
21 – Ground : Approx. 5 V
SKIA7021E
21 – 5 : Continuity should exist.
31 – 15 : Continuity should exist.
32 – 16 : Continuity should exist.
21, 31, 32 – Ground : Continuity should not exist.
19 – 6 : Continuity should exist.
27 – 10, 12 : Continuity should exist.
19, 27 – Ground : Continuity should not exist.
SKIA7032E
PKIB6543E